Sealing ring



FIG. 1 is a top perspective view of the sealing ring showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof, a rear view being identical thereto;

FIG. 6 is a right side view thereof, a left side view being identical thereto;

FIG. 7 is an enlarged cross-sectional view thereof taken at line 7-7 of FIG. 3; and,

FIG. 8 is an enlarged view of portion 8 of FIG. 3. 

CLAIM The ornamental design for a sealing ring, as shown and described. 